Home / 6,220.85-9,331.34-1,838.75

Finding the Fourth Proportional to 6,220.85, 9,331.34 and 1,838.75

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Solution

The fourth proportional to 6,220.85, 9,331.34 and 1,838.75 is: 2,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.85 : 9,331.34 = 1,838.75 : x
  2. Step 2: Convert to fraction form
    6,220.85/9,331.34 = 1,838.75/x
  3. Step 3: Cross multiply
    6,220.85x = 9,331.34 × 1,838.75
  4. Step 4: Simplify right side
    6,220.85x = 17,157,945.57
  5. Step 5: Solve for x
    x = 17,157,945.57/6,220.85
  6. Step 6: Final answer
    x = 2,758.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.